INTERRUPTS AND EXCEPTIONS MCQs

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Which can be used to pass the status information to the calling software in the software interrupt mechanism Which can be used to pass the status information to the calling software in the software interrupt mechanism? register memory flag nmi discuss The answer is: A. register
Which NMI is used in the IBM PC Which NMI is used in the IBM PC? SWI TRAP 80×86 NMI Maskable interrupt discuss The answer is: C. 80×86 NMI
What does NMI stand for What does NMI stand for non-machine interrupt non-maskable interrupt non-massive interrupt non-memory interrupt discuss The answer is: B. non-maskable interrupt
Which of the following are accessible by the ISR in software interrupt mechanism Which of the following are accessible by the ISR in software interrupt mechanism register interrupt nmi memory discuss The answer is: A. register
Which of the following supplies additional data to the software interrupt Which of the following supplies additional data to the software interrupt? internal interrupt external interrupt software interrupt nmi discuss The answer is: C. software interrupt
Which of the following is the common method for the connecting the peripheral to the processor Which of the following is the common method for the connecting the peripheral to the processor? internal interrupts external interrupts software exception discuss The answer is: B. external interrupts
Which interrupt can make a change in the processor’s mode Which interrupt can make a change in the processor’s mode? internal interrupt external interrupts exceptions software mode discuss The answer is: C. exceptions
How many exceptions does an MC68000 have How many exceptions does an MC68000 have? 256 128 90 70 discuss The answer is: C. 90
Which interrupts allows a protected state Which interrupts allows a protected state? internal interrupt external interrupt software interrupt both internal and external interrupts discuss The answer is: C. software interrupt
How a software interrupt is created How a software interrupt is created? instruction set sequential code concurrent code porting discuss The answer is: A. instruction set
What does SWI stand for What does SWI stand for? standard interrupt instruction sequential interrupt instruction software interrupt instruction system interrupt instruction discuss The answer is: C. software interrupt instruction
Which of the following use SWI as interrupt mechanism Which of the following use SWI as interrupt mechanism? PowerPC MC68000 Z80 IBM PC discuss The answer is: C. Z80
Which can be used to pass the status information to the calling software in the software interrupt mechanism Which can be used to pass the status information to the calling software in the software interrupt mechanism? register memory flag nmi discuss The answer is: A. register
In which interrupt, the trigger is dependent on the logic level In which interrupt, the trigger is dependent on the logic level edge triggered level-triggered software interrupt nmi discuss The answer is: B. level-triggered
At which point the processor will start to internally process the interrupt At which point the processor will start to internally process the interrupt? interrupt pointer instruction pointer instruction boundary interrupt boundary discuss The answer is: C. instruction boundary
What does 80×86 use to hold essential data What does 80×86 use to hold essential data? stack frame register internal register flag register discuss The answer is: A. stack frame
What does the RISC processor use to hold the data What does the RISC processor use to hold the data? flag register accumulator internal register stack register discuss The answer is: C. internal register
Which of the following is a stack-based processor Which of the following is a stack-based processor? MC68000 PowerPC ARM DEC Alpha discuss The answer is: A. MC68000
Which of the following is used to reduce the external memory cycle Which of the following is used to reduce the external memory cycle? internal hardware stack internal software stack external software stack internal register discuss The answer is: A. internal hardware stack
How many interrupt levels are supported in the MC68000 How many interrupt levels are supported in the MC68000? 2 3 4 7 discuss The answer is: D. 7

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